/*******************************************************************************
 * Copyright (c) 2010 liw.
 * All rights reserved. 
 * 
 * This file is part of VanBus.
 * 
 *     VanBus is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     VanBus is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with VanBus.  If not, see <http://www.gnu.org/licenses/>.
 * Contributors:
 *     liw - initial API and implementation
 ******************************************************************************/
package org.niclab.vanbus.query.handler;

import org.niclab.vanbus.query.IQuery;


/* TODO Refactor:
 * implement a Chain of Responsibility Pattern to handle queries
 * query local database -> remote web service query.
 * 
 * 
 */

//V is the return result
public interface IQueryHandler {
	
	
	public void setNextQueryHandler(IQueryHandler handler);
	public IQueryHandler getNextQueryHandler();
	
	public IQuery getQuery();
	public void setQuery(IQuery query);
	
	public boolean isSupported();
	public void query();
	

	
}
